BY EEV. F. K. M. WILSON. 157 



less ciliate. Spores broadly ellipsoid, "01 to *012 mm. long. 



Hab. Hook. Fl. Tasm. 



F. 3, hirta, L. Fr., erect, minutely and abundantly fibril- 

 lose, mucli branclied, often only verrucoso sorediate. 



Hab. on trees and rails ; common. 



F. 4, dasypoga, Ach. Fr., elougato pendulous, clotlied witli 

 numerous short spreading fibrils. 



Hab. on trees ; common. St. Mary's Pass, Mount Arthur, 

 etc. 



F. 5, dasypogoides. Mull., Arg., pendulous, shorter and more 

 bushy than dasypoga. 



Hab. on trees ; common. Tasman Peninsula, Weymouth ; 

 Wilson. 



F. 6, articulata, Hudson, pendulous, elongato ramose, 

 smooth, articulato constricted, more or less inflated. 



Hab. on trees ; frequent. Mount Wellington, etc. 



2. U. straminea, Mull. Arg., B. v. M. Vic. Nat., 1887, 

 Oct., p. 89. 



3. U. trichodea, Ach., albido flavescent or white, glabrous, 

 ramoso intricate, branches sparsely fibrillose, fibrils some- 

 times sub-secund. Apothecia concolorous, margin nude. 



Hab. on trees. Springs and St. Crispin's Well, Mount 

 Wellington, Mount Arthur. Tuckerman says: — U. tri- 

 chodea and U. longissima are distinguished from the fila- 

 mentous forms of U. barbata by their always epaj)illate 

 thallus. 



4. U. longissima, Ach., flavescent or albido cinerascent, 

 slender, elongato pendulous or very long, terete or com- 

 pressed, sub-pulveraceous on surface, with few long branches 

 covered with long glabrous fibrils. Apothecia nearly con- 

 colorous or pallid, or very thinly glaucescenti suffused, ter- 

 minal on ramules, margin fibrilloso ciliate. 



Hab. on trees, Krplh. Perhaps the specimens found be- 

 long to the next species. 



5. U. angulata, Ach., albido cinerascent, or albido flavescent 

 or pallescent or glaucescent, pendulous, very long, elongato 

 ramose, costato-angular, closely fibrillose, fibrils divaricate, 

 here and there papilloso-scabrous. Apothecia albid or albido 

 glaucescent, rather small, 2 to 3 mm. broad, margin ciliate, 

 with slender fibrils. 



Hab. on trees. Gimn, Hooker, Lawrence, Hook. Fl Tasm. ; 

 Stuart, Hmpe ; St. Mary's Pass. 



4. Netjeopogon. Nees. and Plot. 

 Thallus erect, surface unequal, ramose, terete, with solid 

 axis of horny texture, or hollow. Ai^othecia nigricant or 

 occasionally pallid, terminal or sub-terminal. 



